Hendarman I, Triratna S, Kamaludin M, Theodorus T. Ketorolac vs. tramadol for pain management after abdominal surgery in children. PI [Internet]. 30Apr.2014 [cited 23Dec.2024];54(2):118-. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/390